Micro Sniff
Monitor microphone activity
Micro Sniff is a macOS‑only utility that watches the system’s microphone devices and displays an overlay whenever any application begins using the microphone. The overlay appears automatically after the user launches the app, providing a visual cue that audio capture is active. It runs on macOS Catalina and later, and is distributed both through the App Store and as a notarized download from the project’s GitHub releases page.
The tool is intended for users who want to stay aware of microphone activity on their Mac, helping them detect unexpected or accidental audio recording. Installation is straightforward: download the bundle, place it in the Applications folder, and open it (right‑click → Open if needed). Once running, the app requires no further configuration.
Micro Sniff is released under the MIT license and is maintained by the Dwarves Foundation community. It is a stable, production‑ready release that has been notarized for safe execution outside the App Store.
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